Finding the Third Proportional to 18,637,464 and 39,865,676
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Solution
The third proportional to 18,637,464 and 39,865,676 is: 85,272,981.50
Step by Step Solution
- Step 1: Write the proportion equation
18,637,464 : 39,865,676 = 39,865,676 : x - Step 2: Convert to fraction form
18,637,464/39,865,676 = 39,865,676/x - Step 3: Cross multiply
18,637,464x = 39,865,676 × 39,865,676 - Step 4: Simplify right side
18,637,464x = 1,589,272,122,936,976 - Step 5: Solve for x
x = 1,589,272,122,936,976/18,637,464 - Step 6: Final answer
x = 85,272,981.50
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.